diff --git a/src/modules/auth_ephemeral/README b/src/modules/auth_ephemeral/README
index 535bd8d43a8..88a4af93f02 100644
--- a/src/modules/auth_ephemeral/README
+++ b/src/modules/auth_ephemeral/README
@@ -5,7 +5,14 @@ Peter Dunkley
    Crocodile RCS Ltd
    <peter.dunkley@crocodile-rcs.com>
 
+Carsten Bock
+
+   ng-voice GmbH
+   <carsten@ng-voice.com>
+
    Copyright © 2013 Crocodile RCS Ltd
+
+   Copyright © 2017 ng-voice GmbH
      __________________________________________________________________
 
    Table of Contents
@@ -28,6 +35,7 @@ Peter Dunkley
 
               3.1. secret (string)
               3.2. username_format (integer)
+              3.3. sha_algorithm (integer)
 
         4. Functions
 
@@ -51,13 +59,14 @@ Peter Dunkley
    1.2. Response example
    1.3. secret parameter usage
    1.4. username_format parameter usage
-   1.5. autheph_proxy usage
-   1.6. autheph_www usage
-   1.7. autheph_check usage
-   1.8. autheph_authenticate usage
-   1.9. autheph_check_from usage
-   1.10. autheph_check_to usage
-   1.11. autheph_check_timestamp usage
+   1.5. sha_algorithm parameter usage
+   1.6. autheph_proxy usage
+   1.7. autheph_www usage
+   1.8. autheph_check usage
+   1.9. autheph_authenticate usage
+   1.10. autheph_check_from usage
+   1.11. autheph_check_to usage
+   1.12. autheph_check_timestamp usage
 
 Chapter 1. Admin Guide
 
@@ -79,6 +88,7 @@ Chapter 1. Admin Guide
 
         3.1. secret (string)
         3.2. username_format (integer)
+        3.3. sha_algorithm (integer)
 
    4. Functions
 
@@ -184,6 +194,7 @@ POST /?service=sip&username=foo@bar.com
 
    3.1. secret (string)
    3.2. username_format (integer)
+   3.3. sha_algorithm (integer)
 
 3.1. secret (string)
 
@@ -211,6 +222,19 @@ modparam("auth_ephemeral", "secret", "kamailio_rules")
 modparam("auth_ephemeral", "username_format", 0)
 ...
 
+3.3. sha_algorithm (integer)
+
+   The SHA algorhithm to be used for the Hash.
+
+     * 0 - SHA1 (default, as per IETF/RFC)
+     * 1 - SHA256
+     * 2 - SHA512
+
+   Example 1.5. sha_algorithm parameter usage
+...
+modparam("auth_ephemeral", "sha_algorithm", 2)
+...
+
 4. Functions
 
    4.1. autheph_proxy(realm)
@@ -241,7 +265,7 @@ Note
 
    This function can be used from REQUEST_ROUTE.
 
-   Example 1.5. autheph_proxy usage
+   Example 1.6. autheph_proxy usage
 ...
 if (!autheph_proxy("$fd")) {
     auth_challenge("$fd", "1");
@@ -272,7 +296,7 @@ Note
 
    This function can be used from REQUEST_ROUTE.
 
-   Example 1.6. autheph_www usage
+   Example 1.7. autheph_www usage
 ...
 if (!autheph_www("$fd")) {
     auth_challenge("$fd", "1");
@@ -302,7 +326,7 @@ Note
 
    This function can be used from REQUEST_ROUTE.
 
-   Example 1.7. autheph_check usage
+   Example 1.8. autheph_check usage
 ...
 if (!autheph_check("$fd")) {
     auth_challenge("$fd", "1");
@@ -329,7 +353,7 @@ Note
 
    This function can be used from REQUEST_ROUTE.
 
-   Example 1.8. autheph_authenticate usage
+   Example 1.9. autheph_authenticate usage
 ...
 if (!autheph_authenticate("$var(username)", "$var(password)")) {
     sl_send_reply("403", "Forbidden");
@@ -363,7 +387,7 @@ Note
 
    This function can be used from REQUEST_ROUTE.
 
-   Example 1.9. autheph_check_from usage
+   Example 1.10. autheph_check_from usage
 ...
 if (!autheph_check_from()) {
     sl_send_reply("403", "Forbidden");
@@ -397,7 +421,7 @@ Note
 
    This function can be used from REQUEST_ROUTE.
 
-   Example 1.10. autheph_check_to usage
+   Example 1.11. autheph_check_to usage
 ...
 if (!autheph_check_to()) {
     sl_send_reply("403", "Forbidden");
@@ -426,7 +450,7 @@ Note
 
    This function can be used from REQUEST_ROUTE.
 
-   Example 1.11. autheph_check_timestamp usage
+   Example 1.12. autheph_check_timestamp usage
 ...
 if (!autheph_check_timestamp("$var(username)")) {
     sl_send_reply("403", "Forbidden");